> "offshore Indian devs" are no slouches.

What evidence is there of the quality of Indian devs specifically?

One signal I'd expect to see, for example, would be success in programming competitions. Here's the list of winners of the IOI competition [1] - India has won 3 times.

Meanwhile, Turkey has won 4 times, Estonia has won 5 times, and Vietnam has won 22 times!

Why should we suspect that there are more or better developers in Indian than in any of the countries that has produced more winners??

[1] https://stats.ioinformatics.org/countries/?sort=medals_desc